Lan Settings - SonicWALL TELE3 SP Administrator's Manual

• Standard mode requires valid IP addresses for all computers on your network, but allows
remote access to authenticated users.
• NAT Enabled mode translates the private IP addresses on the network to the single, valid
IP address of the SonicWALL. Select NAT Enabled if your ISP assigned you only one or
two valid IP addresses.
• NAT with DHCP Client mode configures the SonicWALL to request IP settings from a
DHCP server on the Internet. NAT with DHCP Client is a typical network addressing
mode for cable and DSL customers.
• NAT with PPPoE mode uses PPPoE to connect to the Internet. If desktop software and a
user name and password is required by your ISP, select NAT with PPPoE.

LAN Settings

• SonicWALL LAN IP Address
The SonicWALL LAN IP Address is the IP address assigned to the SonicWALL LAN port.
It is used for managing the SonicWALL. This IP address should be a unique address from
the LAN address range.
• LAN Subnet Mask
The LAN Subnet Mask defines which IP addresses are on the LAN. The default Class C
subnet mask of "255.255.255.0" supports up to 254 IP addresses on the LAN. If the Class
C subnet mask is used, all local area network addresses should contain the same first three
numbers as the SonicWALL LAN IP Address--for example, "192.168.168."
Multiple LAN Subnet Mask Support
Note: This feature does not replace or substitute configuring routes with the Routes tab in the
Advanced section of the SonicWALL. If you have to define a subnet on the other side of a
router, you must define a static route using the Routes tab in the Advanced section.
Multiple LAN Subnet Mask Support facilitates the support of legacy networks incorporating
the SonicWALL, and makes it easier to add additional nodes if the original subnet is full. Before
you can configure multiple local LAN subnets in the SonicWALL, you must have the following
information:
• Network Gateway Address - This is an IP address assigned to the SonicWALL in addition
to the existing LAN IP address. If you have configured your SonicWALL in Standard mode,
the IP address should be the Default Gateway IP address assigned to your Internet router
on the same subnet. All users on the subnet you are configuring must use this IP address
as their default router/gateway address.
• Subnet Mask - This value defines the size, and based upon the Network Gateway entry,
the scope of the subnet. If you are configuring a subnet mask that currently exists on the
LAN, enter the existing subnet mask address into the Subnet Mask field. If you are
configuring a new subnet mask, use a subnet mask that does not overlap any previously
defined subnet masks.
General and Network Settings Page 13